A metallic item, cylindrical, with or without a flange at one end. It is designed to be inserted into a hole to reduce friction and/or the inside diameter of the hole, and protect the surrounding body structure from damage resulting from stress, strain and/or vibration. It must have a through hole parallel to its axis. It is designed for subsequent drilling operation. For items that are tapered see bushing (1), tapered. Excludes bushing, sleeve.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5855-01-653-4319
NSN 5985-01-571-7959
NSN 5945-01-501-8715
NSN 6130-00-202-4688
NSN 5925-01-381-2528
NSN 5999-01-516-6679
NSN 5985-00-401-2883
NSN 2925-01-389-6874
NSN 6645-01-345-6828
NSN 5920-00-035-4846
NSN 5960-01-107-5544
NSN 6105-01-607-6217